An AC generator is made by rotating a bar magnet about a vertical axis. In the s

Question

An AC generator is made by rotating a bar magnet about a vertical axis. In the side view, there is a rectangular loop of wire to the right of the magnet. In the top view, that loop of wire shows up as a line since you can only see one edge of it. In the side view as it is drawn, you are seeing the magnet when it is in position 2. Determine the direction of the induced current in that loop of wire (CW or CCW in the side view) as the magnet rotates from position 1 to position 2. Then continue to explain the induced current direction for the next three 90 degree rotations which bring the magnet back to position 1.

Explanation / Answer

THE DIRECTIONS OF CURRENT INDUCED IN LOOP WOULD FOLLOW THE DIRECTION OF MOTION

FROM POSITION 1 TO2 IT IS CLOCKWISE, CW

THEN CW , THEN COUNTERCLOCKWISE AND THEN CCW AGAIN

SO, IT IS

CW,CW,CCW,CCW

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